e? what is the state alternative hypothesis? c) Find the test statistic and give the corresponding p-value.(Answers from StatCrunch)T-Stat : 2.9762613P-value: 0.005Mean Sample Mean Std. Err. DF T-Stat Critical t P-value3.9 0.1343968 39 2.9762613 2.0226909 0.005μd) Based on your results, state whether you reject or fail to reject the null hypothesis.Based on our results, we reject the null hypothesis. We have enough data to support that the averagetime spent on campus by all Highline students is different from 3.5 hours.e) Lastly, interpret your conclusion in the context of the problem.Model sentence: At the α = 0.05 level, we reject the null hypothesis and conclude that the sample data arestatistically significant. Also given the p-value and significance level, There is sufficient evidence to concludethat (state alternative hypothesis)__

A hypothesis is classified as an assertion or statement about the population parameter. There are…

Answered: e? what is the state alternative…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Which hypothesis represents the statement of "no change" (or "no affect/difference"), that we assume to be true? A.The one hypothesis, H1 B.The null hypothesis, H0 C.The right hypothesis, H0 D.The alternative Hypothesis, H1
Suppose you reject the null hypothesis H0: μ = 58. It turns out the population mean is actually equal to 55. You have made Group of answer choices Type I and Type II errors a Type II error a Type I error the correct decision
Question A physical therapist is interested in studying patients recovering from neck injuries. Let the proportion of neck injury patients who fully recover in less than 6 months be p. If the physical therapist wants to know if the proportion of neck injury patients who fully recover in less than 6 months is more than 75%, what are the null and alternative hypotheses? Select the correct answer below: H0: p=0.75; Ha: p>0.75 H0: p=0.75; Ha: p<0.75 H0: p>0.75; Ha: p=0.75 H0: μ=0.75; Ha: μ>0.75
The average time in years to get an undergraduate degree in statistics was compared for meals and females. Random sample of 200 male statistics majors and 200 female statistics majors were taken. Choose the appropriate parameter(s) for this situation. [Hint: The parameter(s) to be used in your hypothesis]. O A. P1-P2 O B. H1-H2 O C. None of these O D. p O E. u
Does caffeine improve exam performance? Suppose all students in the 8:30 section of a course are given a "treatment" (two cups of coffee) and all students in the 9:30 section are not permitted to have any caffeine before a mid-term exam. The response variable in this study is .. two cups of coffee. exam performance. teacher's performance. a O b O d class attendance.
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Which of the following is not true regarding internal validity and external validity1. It’s OK for a study to have low internal validity, but it’s not OK for a study to have low external validity 2. It’s OK for a study to have low external validity, but it’s not OK for a study to have low internal validity 3. Internal validity is the foundation for external validity4. External validity is the foundation for internal validity
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You watch people exiting Dodgers stadium after a game and you write down the number of males and the number of females that exit the stadium past you during the 20 minutes that you spend watching. You assumed that there would be a perfectly equal number of males and females attending a Dodgers game, but you look at the number of males and females that you actually counted, and you see if you still think that is actually true. What kind of hypothesis test would allow you to do this? a. One-Factor, Independent-Measures ANOVA b. Two-Factor ANOVA c. Correlation/Regression d. Chi-Square Goodness of Fit
USE THE 8-STEP HYPOTHESIS TESTING Refer to the study by Carter et al. [A-9], who investigated the effect of age at onset of bipolar disorder on the course of the illness. One of the variables studied was subjects' family history. Table 3.4.1 shows the frequency of a family history of mood disorders in the two groups of interest: early age at onset (18 years or younger) and later age at onset (later than 18 years). Family History of Mood Disorders Early ≤ 18(E) 28 19 41 53 Later > 18 (L) 35 38 44 60 141 Total 63 57 85 113 Negative (A) Bipolar disorder (B) Unipolar (C) Unipolar and bipolar (D) Total 177 318 Source: Tasha D. Carter, Emanuela Mundo, Sagar V. Parkh, and James L. Kennedy, "Early Age at Onset as a Risk Factor for Poor Outcome of Bipolar Disorder," Journal of Psychiatric Research, 37 (2003), 297-303. Can we conclude on the basis of these data that subjects 18 or younger differ from subjects older than 18 with respect to family histories of mood disorders? Let a = .05.
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SQU E-LEARNING SYSTEM (ACADEMIC) elearn.squ.edu.om/mod/quiz/att BUSINESS STATISTICS I- Spring21 Time left 0:26:15 Question 16 A decislon-maker has subjectively assigned the followlng probablitles to the four outcomes: P(A)=0.25, P(B)=0.15, P(C)=0.35, and P(D)=0.30. These are valld (acceptable) probablity assignments. Not yet answered Select one: Marked out of O True Ta 1.000 O False 1 P Flag question NEXT PAGE PREVIOUS PAGE Fini https://elearn.squ edu.om/mod CONTACTIIC acer

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